| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: msw/statbox.cpp |
| 3 | // Purpose: wxStaticBox |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "statbox.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #if wxUSE_STATBOX |
| 32 | |
| 33 | #ifndef WX_PRECOMP |
| 34 | #include "wx/app.h" |
| 35 | #include "wx/dcclient.h" |
| 36 | #endif |
| 37 | |
| 38 | #include "wx/statbox.h" |
| 39 | |
| 40 | #include "wx/msw/private.h" |
| 41 | |
| 42 | // ---------------------------------------------------------------------------- |
| 43 | // wxWin macros |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | |
| 46 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl) |
| 47 | |
| 48 | // ============================================================================ |
| 49 | // implementation |
| 50 | // ============================================================================ |
| 51 | |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | // wxStaticBox |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | |
| 56 | bool wxStaticBox::Create(wxWindow *parent, |
| 57 | wxWindowID id, |
| 58 | const wxString& label, |
| 59 | const wxPoint& pos, |
| 60 | const wxSize& size, |
| 61 | long style, |
| 62 | const wxString& name) |
| 63 | { |
| 64 | if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) ) |
| 65 | return FALSE; |
| 66 | |
| 67 | // as wxStaticBox doesn't draw its own background, we make it transparent |
| 68 | // to force redrawing its background which could have been overwritten by |
| 69 | // the other controls inside it |
| 70 | // |
| 71 | // FIXME: I still think that it isn't the right solution because the static |
| 72 | // boxes shouldn't have to be transparent if the redrawing was done |
| 73 | // right elsewhere - who ever had to make them transparent in non |
| 74 | // wxWindows programs, after all? But for now it does fix a serious |
| 75 | // problem (try resizing the sizers test screen in the layout sample |
| 76 | // after removing WS_EX_TRANSPARENT bit) and so let's use it until |
| 77 | // we fix the real underlying problem |
| 78 | if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label, |
| 79 | WS_EX_TRANSPARENT) ) |
| 80 | return FALSE; |
| 81 | |
| 82 | // to be transparent we should have the same colour as the parent as well |
| 83 | SetBackgroundColour(GetParent()->GetBackgroundColour()); |
| 84 | |
| 85 | return TRUE; |
| 86 | } |
| 87 | |
| 88 | wxSize wxStaticBox::DoGetBestSize() const |
| 89 | { |
| 90 | int cx, cy; |
| 91 | wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); |
| 92 | |
| 93 | int wBox; |
| 94 | GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy); |
| 95 | |
| 96 | wBox += 3*cx; |
| 97 | int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); |
| 98 | |
| 99 | return wxSize(wBox, hBox); |
| 100 | } |
| 101 | |
| 102 | long wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) |
| 103 | { |
| 104 | switch ( nMsg ) |
| 105 | { |
| 106 | case WM_NCHITTEST: |
| 107 | // FIXME: this hack is specific to dialog ed, shouldn't it be |
| 108 | // somehow disabled during normal operation? |
| 109 | { |
| 110 | int xPos = LOWORD(lParam); // horizontal position of cursor |
| 111 | int yPos = HIWORD(lParam); // vertical position of cursor |
| 112 | |
| 113 | ScreenToClient(&xPos, &yPos); |
| 114 | |
| 115 | // Make sure you can drag by the top of the groupbox, but let |
| 116 | // other (enclosed) controls get mouse events also |
| 117 | if ( yPos < 10 ) |
| 118 | return (long)HTCLIENT; |
| 119 | } |
| 120 | break; |
| 121 | |
| 122 | case WM_ERASEBKGND: |
| 123 | // prevent wxControl from processing this message because it will |
| 124 | // erase the background incorrectly and there is no way for us to |
| 125 | // override this at wxWin event level (if we do process the event, |
| 126 | // we don't know how to do it properly - paint the background |
| 127 | // without painting over other controls - and if we don't, |
| 128 | // wxControl still gets it) |
| 129 | return MSWDefWindowProc(nMsg, wParam, lParam); |
| 130 | } |
| 131 | |
| 132 | return wxControl::MSWWindowProc(nMsg, wParam, lParam); |
| 133 | } |
| 134 | |
| 135 | #endif // wxUSE_STATBOX |